package demo;

public class Demo {
    public static void main(String[] args) {
        System.out.println("HelloWorld");
        System.out.println("!!!");
        System.out.println("分支上添加一句输出");
        System.out.println("在主线上添加一句输出");
        System.out.println("分支上提添加了输出");
        System.out.println("新建立的分支上添加了输出");
    }
}